
Tool steels
出版:Association Francaise de Normalisation

专家解读视频
This document specifies requirements for the following grades of wrought tool steels: a. non-alloy cold-work tool steels; b. alloy cold-work tool steels; c. alloy hot-work tool steels; d. high-speed tool steels.
ISO 4957:2018 - Identical
EN ISO 4957 : 1999 - Identical
EN ISO 4957 : 2018 - Identical
EN ISO 4957 : 1999 - Identical
ISO 4957:2018 - Identical